具体表现为奇蹄类、偶蹄类、长鼻类 （Proboscidea）、啮齿类（Rodentia）、灵长类（Primates）、鳍脚类(Pinnipedia) 的祖先均在此时出世。雷兽超科(Brontotherioidea)在本阶段演化迅速，具有生 物地层学的重大意义。
基于64个网页-相关网页
...buttons)" » 改变从"碳化硅4信号模块(16LED灯饰/1按钮型)","碳化硅4信号模块(12LED灯饰/2设计模仿F1赛车打造)" pinniped » 群体 TWO-WIRE ADDRESS » 2-Wire地址 ..
基于12个网页-相关网页
以上来源于: WordNet
ADJ of, relating to, or belonging to the Pinnipedia, an order of aquatic placental mammals having a streamlined body and limbs specialized as flippers: includes seals, sea lions, and the walrus 鳍脚亚目动物的
N any pinniped animal 鳍脚亚目动物
The leopard seal is the only pinniped _________ preys on penguins and other seals.
参考译文：美洲虎海豹是仅有的捕食企鹅和其他海豹的鳍足类动物。
The legs were strong and ended in long feet very much like those of a modern pinniped.
它的后肢很强壮，底部有长足，非常像现在的鳍足类动物。
As the killer whales moved in, the plucky pinniped leapt on to the vast ribbed belly of a humpback, and nestled in the animal's armpit.
这头杀人鲸游过来的时候，这只勇敢的鳍足类动物跳上了座头鲸庞大的肋腹部，躲在它的腋窝下。
应用推荐